The tested variant causes brown colouring of a nose (“livernose”), mucous membranes and claws. The inheritance is autosomal recessive (black allele and colour is dominant).
American Cocker Spaniel, German Shepherd, Rhodesian Ridgeback, Welsh Corgi,
Gene and tested variants
TYRP1, (bs - c.991C>T), (bc - c.121T>A) and (bd - c.1033_1035del)